1. 1st Department of Neurology, Faculty of Medicine, Comenius University, 813 69 Bratislava, Slovakia
2. Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
3. Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia
4. Department of Neurology, Faculty Hospital, 917 75 Trnava, Slovakia
5. Department of Neurology, Faculty Hospital, 911 01 Trencin, Slovakia